Exploring the Allelopathic Potential of Plant Extracts for Weed Suppression and Productivity in Wheat ( Triticum aestivu
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ORIGINAL ARTICLE / ORIGINALBEITRAG
Exploring the Allelopathic Potential of Plant Extracts for Weed Suppression and Productivity in Wheat (Triticum aestivum L.) Ali Raza Gurmani1 · Sami Ullah Khan2 · Tariq Mehmood2 · Waseem Ahmed3 · Mazhar Rafique1 Received: 23 July 2019 / Accepted: 4 November 2020 © Springer-Verlag GmbH Deutschland, ein Teil von Springer Nature 2020
Abstract Weeds infestation poses huge threat to agricultural crop production systems and their management in modern agriculture. It is imperative to reduce yield losses and ensure food security. In order to minimize herbicide application, a study was carried out to evaluate the allelopathic potential of leaves extracts tested on weed suppression in wheat crop under rainfed conditions. Leaves extracts of Moringa oleifera, Parthenium hystorophorus and Cannabis sativa alone and in different combinations along with a control (distilled water) were sprayed to explore the allelopathic potential for weed management in wheat-maize cropping system. Foliar application of moringa + parthenium + cannabis leaves extract was the best treatment to reduce the number of leaves, leaf length and shoot length of all tested weed species. Leaf chlorophyll content and photosynthetic rate of weed plants was significantly reduced under exogenously application of leaf extracts. Various phenolic compounds were also detected in parthenium, cannabis and moringa leaf extracts. Maximum phenolic compounds were found in parthenium followed by cannabis and moringa leaf extracts. The combination of leaf extracts of Moringa oleifera (MLE) with Parthenium hysterophorus (PLE) and Cannabis sativa (CLE) (water extract at 3%) was significantly impactful to suppress weeds in wheat and achieve higher wheat growth.
Keywords Allelopathy · Cannabis · Plant leaf extract · Weed management · Wheat
Sami Ullah Khan
[email protected] Mazhar Rafique
[email protected] 1
Department of Soil and Climate Sciences, The University of Haripur, 22620 Haripur, Pakistan
2
Department of Agronomy, The University of Haripur, 22620 Haripur, Pakistan
3
Department of Horticulture, The University of Haripur, 22620 Haripur, Pakistan
K
A. R. Gurmani et al.
Untersuchung des allelopathischen Potenzials von Pflanzenextrakten zur Unkrautbekämpfung und Produktivitätssteigerung bei Weizen (Triticum aestivum L.) Zusammenfassung Unkrautbefall stellt eine enorme Bedrohung für die landwirtschaftlichen Pflanzenproduktionssysteme und deren Management in der modernen Landwirtschaft dar. Es ist unerlässlich, Ertragsverluste zu verringern und die Ernährungssicherheit zu gewährleisten. Um den Herbizideinsatz zu minimieren, wurde eine Studie zur Bewertung des allelopathischen Potenzials von Blattextrakten durchgeführt, die zur Unkrautunterdrückung in Weizenkulturen bei Regenfeldanbau getestet wurden. Blattextrakte von Moringa oleifera, Parthenium hystorophorus und Cannabis sativa wurden einzeln und in verschiedenen Kombinationen zusammen mit einer Kontrolle (destilliertes Wasser) versprüht, um das allelopathische
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